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noname [10]
3 years ago
10

the height of a firework above the ground (h) is given by the formula calculate the height of a firework after 3 seconds if the

initial velocity was 29.4m/s the acceleration was - 9.8 m/s
Mathematics
1 answer:
Zinaida [17]3 years ago
3 0

Answer:

Nut Gonna Help!

Keep Learning!

Step-by-step explanation:

the height of a firework above the ground (h) is given by the formula calculate the height of a firework after 3 seconds if the initial velocity was 29.4m/s the acceleration was - 9.8 m/s

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Farhan cycles the first part of a 150-km journey at an average speed of 35km/h and walks the
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Answer:

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Step-by-step explanation:

5 x 4.5 = 22.5 (km)

150 – 22.5 = 127.5 (km)

35 – 5 = 30 (km/h)

127.5/30 = 4.25 (h)

4.25 x 35 = 148.75 (km)

Alternatively,

Let x be the distance that he cycles.

x/35 + (150 – x)/5 = 4.5

x + 1050 – 7x = 157.5

6x = 892.5

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Ans : 148.75km.

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Help me pls this one is hard
ella [17]

Answer:

2-120

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Step-by-step explanation:

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<em>(4,240)</em>

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